Physics, 19.03.2020 22:30, travashouston4873

When you connect an unknown resistor across the terminals of a 1.50 V D-cell battery having negligible internal resistance, you measure a current of 2.05 mA flowing through it. a. What is the resistance of this resistor? 731.7 Correct: Your answer is correct. Ω b. If you now place the resistor across the terminals of a 9.0V battery having no internal resistance, how much power dissipates across the resistor? .1107 Correct: Your answer is correct. W You now put the resistor across the terminals of a power supply with an unknown emf an internal resistance of 35 Ω and measure a current of 0.0036 A flowing through the resistor. c. What is the emf of the power supply? 2.76 Correct: Your answer is correct. V d. If the resistor is connected to the power supply for 18.0 minutes, how many kilowatt-hour is used by the resistor?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 05:20, deedee363

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

Answers: 1

continue

Physics, 22.06.2019 14:50, lilyrockstarmag

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two

Answers: 1

continue

Physics, 23.06.2019 08:00, Science2019

Which of these best describes the term ecliptic? a. the circle where "earth meets the sky" b. the change in azimuth and altitude of an object c. the point directly above the geographic north pole d. the path of the sun through the constellations of the zodiac

Answers: 2

continue

Physics, 23.06.2019 09:30, triciajfive

According to rutherford's nuclear theory, most of the volume of an atom is , so the volume of a hydrogen atom cannot be mostly due to the proton. according to rutherford's nuclear theory, the core of an atom (nucleus) contains most of of an atom and is , so the majority of the mass of a fluorine atom cannot be due to its nine electrons. according to rutherford's nuclear theory, the number of negatively charged particles outside the nucleus the number of positively charged particles within the nucleus, so a nitrogen atom has 7 protons and 7 electrons, while a phosphorous atom cannot have 15 protons and 150 electrons. word bank: dense, empty space, more than, mass, particles, the same as, less than, positively charged, negatively charged

Answers: 2

continue

Do you know the correct answer?

When you connect an unknown resistor across the terminals of a 1.50 V D-cell battery having negligib...